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This patch implements the software flows to handle SRIOV VF communication across an Active/Active link aggregate. The same restrictions apply as are in place for the support of Active/Backup bonds. - the two interfaces must be on the same NIC - the FW LLDP engine needs to be disabled - the DDP package that supports VF LAG must be loaded on device - the two interfaces must have the same QoS config - only the first interface added to the bond will have VF support - the interface with VFs must be in switchdev mode With the additional requirement of - the version of the FW on the NIC needs to have VF Active/Active support This requirement is indicated in the capabilities struct associated with the NVM loaded on the NIC. The balancing of traffic between the two interfaces is done on a queue basis. Taking the queues allocated to all of the VFs as a whole, one half of them will be distributed to each interface. When a link goes down, then the queues allocated to the down interface will migrate to the active port. When the down port comes back up, then the same queues as were originally assigned there will be moved back. Co-developed-by: Marcin Szycik <marcin.szycik@linux.intel.com> Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com> Signed-off-by: Dave Ertman <david.m.ertman@intel.com> Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> |
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| drivers | ||
| fs | ||
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| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
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| .gitattributes | ||
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| .pylintrc | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.